* {
  margin: 0;
  padding: 0;
}
ul,
ol {
  list-style: none;
}
img {
  border: none;
}
input,
select,
textarea {
  outline: none;
  border: none;
  background: none;
}
textarea {
  resize: none;
}
a {
  text-decoration: none;
}
.clearfix {
  *zoom: 1;
}
.clearfix:before,
.clearfix:after {
  display: table;
  line-height: 0;
  content: "";
}
.clearfix:after {
  clear: both;
}
@media only screen and (min-width: 1410px) {
  .container {
    width: 1390px;
  }
  header .logo {
    width: 360px;
  }
  header .search_text {
    width: 616px;
  }
  header .fore {
    width: 140px;
  }
  header .fore .spacer {
    width: 138px;
  }
  header .hotwords {
    width: 668px;
  }
  nav .dd_layer {
    width: 999px;
  }
  nav .subitems dd {
    width: 620px;
  }
  #content .slider {
    width: 1180px;
  }
  footer .service_inner {
    width: 1190px;
  }
  footer .service_item {
    width: 297px;
  }
  footer .footer_help dl {
    width: 278px;
  }
}
@media only screen and (max-width: 1410px) and (min-width: 1230px) {
  .container {
    width: 1210px;
  }
  header .logo {
    width: 310px;
  }
  header .search_text {
    width: 446px;
  }
  header .fore {
    width: 140px;
  }
  header .fore .spacer {
    width: 138px;
  }
  header .hotwords {
    width: 518px;
  }
  nav .dd_layer {
    width: 999px;
  }
  nav .subitems dd {
    width: 620px;
  }
  #content .slider {
    width: 1000px;
  }
  footer .service_inner {
    width: 1190px;
  }
  footer .service_item {
    width: 297px;
  }
  footer .footer_help dl {
    width: 275px;
  }
}
@media only screen and (max-width: 1230px) {
  .container {
    width: 990px;
  }
  header .logo {
    width: 290px;
  }
  header .search_text {
    width: 370px;
  }
  header .fore {
    width: 101px;
  }
  header .fore .spacer {
    width: 99px ;
  }
  header .hotwords {
    width: 462px;
  }
  nav .dd_layer {
    width: 779px;
  }
  nav .subitems dd {
    width: 480px;
  }
  #banner .banner1 {
    width: 590px;
  }
  #banner .slider_extend_item {
    width: 290px;
  }
  #content .slider {
    width: 780px;
  }
  footer .service_inner {
    width: 990px;
  }
  footer .service_item {
    width: 247px;
  }
  footer .footer_help dl {
    width: 222px;
  }
}
